megameter

M3E1G2A1M3E1T1E1R1
UK/mɛˈɡɐˌmɪtə/US/mɛˈɡɐˌmɪtəɹ/US[mɛˈɡɐˌmɪɾɚ]/ˈmɛɡəˌmiːtəɹ/

noun

An instrument for determining longitude by observation of the stars.

OriginFrench mégamètre →
Scrabble 14
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Meanings

megameter1

nounmegameter (plural megameters)

plural megameters

  1. An instrument for determining longitude by observation of the stars.
  2. A micrometer.

megameter2

nounmegameter (plural megameters)

plural megameters

  1. USUS spelling of megametre.

    Common numbers like distances would never be expressed in megameters or nanomiles — it would bring us too close to the Dilbertian world of pocket protectors and calculator holsters.

    2009, J. Scott Turner, The Extended Organism: The Physiology of Animal-Built Structures, page 15

Origin

megameter · noun

  1. Frenchmégamètre
  2. Englishmegameter

From French mégamètre.

More words from French

Full word history & related roots →

megameter · noun

  1. Proto-Indo-European*méǵh₂s
  2. Proto-Hellenic*mégas
  3. Ancient Greekμέγᾰς (mégăs)
  4. Englishmega-
  5. Proto-Indo-European*med-
  6. Proto-Indo-European*médeti
  7. Proto-Germanic*metaną
  8. Proto-West Germanic*metan
  9. Old Englishmetan
  10. Middle Englishmeten
  11. Middle Englishmetere
  12. Englishmeter
  13. Englishmegameter

From mega- (“one million”) + meter.

Full word history & related roots →

Rhymes & wordplay

Anagrams

megametre
Cite this entry
APA

megameter. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/megameter

MLA

“megameter.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/megameter. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “megameter,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/megameter.

Source: megameter on Wiktionary, CC BY-SA 4.0.